Ooker

Ooker is one of Crockett Island's young locals, a fisherman by trade who spends his off hours flying a drone over the water and chasing rumors. Curious and a little restless, he notices things the adults dismiss — strange lights, odd tides — and can't resist digging further, treating the island's quiet oddities like a mystery worth solving.

Louis Oliver plays him with an easy, unforced charm that lightens Midnight Mass's heavier scenes without undercutting them. Ooker's amateur-investigator streak gives the show a pair of curious eyes on the ground, someone whose instinct to look closer mirrors the audience's own, making him an appealing, low-key entry point into the island's growing unease.